1. Department of Orthopedics, Diakonhjemmet Hospital, Oslo, Norway
2. Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
3. Department of Surgery, Kamuzu Central Hospital, Lilongwe, Malawi
4. Department of Forensic Sciences, Oslo University Hospital, Oslo, Norway
5. Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
6. College of Medicine, University of Malawi, Lilongwe, Malawi
7. Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
8. Department of International Public Health, Norwegian Institute of Public Health, Oslo, Norway